Classification
000 - Computer science, information & general works
333 - Economics of land & energy
700 - The arts; fine & decorative arts
600 - Technology
4
620 - Engineering & allied operations
3
900 - History & geography
3
530 - Physics
2
330 - Economics
1
340 - Law
1
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
658 - General management
1
800 - Literature & rhetoric
1